vacuum sealing machine for automatically delivering and cutting packages

ABSTRACT

A vacuum sealing machine for automatically delivering and cutting packages includes a frame, a vacuum sealing mechanism arranged on the frame, a cutting and sealing mechanism arranged above the vacuum sealing mechanism, and a feeding mechanism arranged at a side of the vacuum sealing mechanism. The feeding mechanism pivots on the frame and a double layer plastic film winds on the feeding mechanism; the vacuum sealing mechanism includes a reservoir box and an overflow tank arranged a side of the vacuum sealing machine; the reservoir box is connected with the vacuum sealing mechanism. The feeding mechanism pivots on the frame, the double layer plastic film winds the feeding mechanism, the users can adjust the effective width of the feeding shaft according to the width of double layer plastic film. The cutting and sealing mechanism can automatically seal the double layer plastic film and cut a package with appropriate size.

FIELD OF THE INVENTION

The present invention relates to sealing machine technical field, more particularly to a vacuum sealing machine for automatically delivering and cutting packages.

BACKGROUND OF THE INVENTION

Currently, the vacuum sealing machine only can extract vacuum and seal a package, it can not achieve a whole process that firstly. delivery double layer film, then, seal a end of the double layer film and cut it to a package with one sealed end and one open end, after an article is placed in the package, extract vacuum and seals the open end to for a vacuum package with article.

When a vacuum sealing machine is in used, it needs to prepare a package or double layer plastic film with predetermined width. The vacuum sealing machine can not adapt to different size of package or double layer plastic film.

During the process of extracting vacuum, the liquid easily enters the vacuum sealing machines. Most of vacuum sealing machines are provided with a reservoir box for storing the liquid. However, the reservoir box is arranged in the vacuum sealing machine, the user can not adjust the liquid level in the reservoir box. The liquid accumulates in the vacuum sealing machine will cause sanitation deterioration in the vacuum cavity, and it is difficult to clean up the liquid.

SUMMARY OF THE INVENTION

The objection of the present invention is to provide a vacuum sealing machine to resolve the problem that “the vacuum sealing machine in the prior art can not adapt to different sizes of packages or double layer plastic films”.

The other objection of the present invention is to provide a vacuum sealing machine with the function of sealing and cutting a double layer plastic film to form, a package with one sealed end and one open end, and extracting vacuum and sealing the open end of the package to fault a vacuum package.

The another objection of the present invention is to resolve the problem of “the user can not observe the liquid level in the reservoir box. The liquid accumulating in the vacuum sealing machine is difficult to clean up”.

The present invention provides a vacuum sealing machine for automatically delivering and cutting package, which can be adjusted to adapt to different sizes of packages or double layer plastic films, the reservoir box is convenient to clean, the liquid in the vacuum cavity is easy to clean.

A vacuum sealing machine for automatically delivering and cutting packages includes a frame, a vacuum sealing mechanism arranged on the frame, a cutting and sealing mechanism arranged above the vacuum sealing mechanism, and a feeding mechanism arranged at a side of the vacuum sealing mechanism. The feeding mechanism pivots on the frame and a double layer plastic film winds on the feeding mechanism; the feeding mechanism deliveries the double layer plastic film to the cutting and sealing mechanism to cut and seal to form a package with one sealed end and one open end, an article is paced into the package, then the open end of the package is send into the vacuum sealing mechanism to extracting vacuum and sealing the open end.

The vacuum sealing mechanism includes a detachable reservoir box and an overflow tank arranged a side of the vacuum scaling machine; the reservoir box is connected with the vacuum sealing mechanism.

According to some embodiments in the present invention, the vacuum sealing mechanism includes an upper cavity and a lower cavity, the lower cavity is fixed on the frame, the overflow tank is arranged in the lower cavity, an inlet is arranged in the lower cavity, a side of the lower cavity is provided with a second sealing mechanism; the upper cavity is arranged on the lower cavity and fits with the lower cavity to form a sealing chamber therebetween.

According to some embodiments in the present invention, the vacuum sealing mechanism is provided with an one-way baffle assembly consisting of upper baffles and lower baffles, the upper baffles are arranged in the upper cavity, the lower baffles are arranged in the lower cavity, the upper baffles and the lower baffles are misaligned.

According to some embodiments in the present invention, the vacuum sealing machine has a driving mechanism, which includes a third driving portion and a vacuum driving portion; the third driving portion is connects with the upper cavity and drives the upper cavity to move up and down; the vacuum driving portion is communicated with the inlet.

According to some embodiments in the present invention, the reservoir box is communicated with the vacuum driving portion and the inlet, the reservoir box is made from transparent material.

According to some embodiments in the present invention, the cutting and sealing mechanism includes a first sealing assembly and a clipping assembly, the first sealing assembly lies a side of the clipping assembly, the clipping assembly includes a second driving portion and a cutter, the clipping assembly drives the cutter to reciprocally move; the clipping assembly is arranged on a side of the upper cavity, the first driving portion drives the clipping assembly to close to the package or the double layer plastic film.

According to some embodiments in the present invention, the feeding mechanism includes a feeding shaft, the double layer plastic film winds the feeding shaft; the feeding shaft is provided with several first limit teeth, a first clamping piece is sleeved on the feeding shaft and clamped with the first limiting teeth.

According to some embodiments in the present invention, a guiding, portion is arranged under the feeding shaft, the guiding portion includes a first driving portion fixed on the frame and a guiding shaft rotatably connected with the first driving portion; the guiding shaft is provided under the feeding shaft; two guiding pieces are respectively sleeved on both sides of the guiding shaft; the guiding pieces and the guiding shaft rotate synchronously; the frame under the guiding shaft is provided with several second limit teeth, one of the guiding pieces is provided with a second clamping piece clamped with the second limit teeth.

According to some embodiments in the present invention, the guiding piece is provided with several guiding teeth.

According to some embodiments in the present invention, the vacuum sealing machine also includes a power supply assembly, a controlling assembly and a nozzle; the power supply assembly is arranged at the back of the vacuum sealing machine; the controlling assembly is arranged above the vacuum sealing machine, the nozzle is communicated with the reservoir box 410 and the vacuum sealing machine.

According to some embodiments in the present invention, the vacuum sealing machine for automatically delivering and cutting package at least has the following advantages:

The feeding mechanism pivots on the frame, the double layer plastic film sealed at a left side and a right side winds the feeding mechanism, the users can adjust the effective width of the feeding shaft according to the width of the double layer plastic film, so that the feeding mechanism can be used for double layer plastic films with different sizes.

The cutting and sealing mechanism can automatically seal the double layer plastic film and cut a package with an sealed end and an open end with appropriate size, and delivery the package with an sealed end and an open end out of the vacuum sealing machine, after an article is put into the package, the open end of the package is sent into the vacuum sealing mechanism to seal.

The vacuum sealing mechanism is provided with a detachable overflow tank and a reservoir box, after it is used for a long time, the users can disassemble the overflow tank to clean the cavity of the vacuum sealing mechanism. The reservoir box is detachably coupled at the side of the vacuum sealing machine, when the liquid level in the reservoir box 410 reaches a certain value, the user can disassemble the reservoir box easily to clean the liquid.

BRIEF DESCRIPTION OF THE DRAWINGS

The above-described and/or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in combination with the following accompanying drawings:

FIG. 1 is a perspective view of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 2 is a perspective view of the vacuum sealing machine for automatically delivering and cutting package which is removed part of the frame 100 of the present invention;

FIG. 3 is the other perspective view of the vacuum sealing machine for automatically delivering and cutting package which is removed part of the frame 100 of the present invention;

FIG. 4 is a section view of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 5 is a perspective view of the feeding shaft of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 6 is a perspective view of the feeding shaft of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 7 is a perspective view of the guiding portion of the vacuum, sealing machine for automatically delivering, and cutting package of the embodiment of the present invention;

FIG. 8 is a perspective view of the one-way baffle assembly of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 9 is a perspective view of the lower cavity of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 10 is a perspective view of the overflow tank of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 11 is a perspective view of the guiding columns of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 12 is a perspective view of the driving mechanism of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 13 is a view of the driving mechanism of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 14 is a view of the vacuum sealing mechanism 400 of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 15 is an explode view of the vacuum sealing mechanism 400 along A-A line in the FIG. 14 .

FIG. 16 is a perspective view of the clipping assembly of the vacuum sealing machine for automatically delivering and cutting package of the embodiment of the present invention;

FIG. 17 is a perspective view of the back surface of the vacuum sealing machine for automatically delivering, and cutting package of the embodiment of the present invention.

EMBODIMENTS

Embodiments of the present invention are described in detail below, and the embodiment are illustrated in the drawings, the same or similar reference marks indicate the same or similar elements or elements having the same or similar functions. The following embodiments described with the drawings are exemplary only for interpreting the present invention and cannot be understood as a limitation on the present invention.

In the description of the present invention, it should be understood that the orientation or location relationships, such as upper, bottom, front, rear, left, right, top, bottom, are based only to facilitate the description of the present invention and simplify the description, rather than indicating or implying that the device or element must have specific orientation and operation, and therefore it cannot be understood as a limitation on the present invention.

In the description of the present invention, if there is a description that the first and the second are only for the purpose of distinguishing technical characteristics, it can not be understood as indicating or implying relative importance or implicitly indicating the number or the technical characteristics indicated.

In the description of the present invention, unless otherwise clearly defined, the words of setting, installation and connection should be clearly defined, and those skilled in the technical art may reasonably determine the specific meaning of the words in the present invention in combination with the specific contents of the technical scheme.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the present invention provides a vacuum sealing machine for automatically delivering and cutting package, which includes frame 100, a vacuum sealing mechanism 400 arranged on the frame 100, a driving mechanism 500 arranged above the vacuum sealing mechanism, a feeding mechanism 200 arranged at a side of said vacuum sealing mechanism 400, and a cutting and sealing mechanism 300 arranged between the vacuum sealing mechanism 400, the driving mechanism 500 and the feeding, mechanism 200. The feeding mechanism 200 pivots on the frame 100 and a double layer plastic film 201 sealed at a left side and a right side winds on the feeding mechanism. The feeding mechanism 200 automatically deliveries a double layer plastic film 201 to the cutting and sealing mechanism 300 and the vacuum sealing mechanism 400. The cutting and sealing mechanism 300 automatically seals the double layer plastic film 201 and cuts it to a predetermined length to form a package with a sealed end and an open end. After an article is filled in the package with a sealed end and an open end, the open end of the package is sent into the vacuum sealing mechanism 400, the driving mechanism drives the vacuum sealing mechanism 400 to extract vacuum and seal the open end of the package.

Referring to FIG. 1 and FIG. 17 , the feeding mechanism 200 includes a cover 210 which can be opened outward. The cover 210 is rotated on the frame 100 and can flip above 90 along a feeding shaft 220. In some other embodiments, the flip angle of the cover 210 varies flexibly, and without leaving the basic conception of the present invention, any flip angle of the cover 210 shall be considered within the protection scope defined by the claim. The cover 210 is connected to the frame 100 by magnetic suction. The user opens the cover 210, puts into a rolled double layer plastic film 201. When the rolled double layer plastic film 201 is exhausted, the user only needs to open the cover 210 of the feeding, mechanism 200 to replace another rolled double layer plastic film 201. The operation is convenient.

Referring to FIG. 3 and FIG. 4 and FIG. 5 , the feeding mechanism 200 includes the feeding shaft 220 pivoted on the frame 100, the rolled double layer plastic film 201 winds in the feeding mechanism 200. The vacuum sealing machine can mount the double layer plastic film 201 with various widths. The feeding shaft 220 is provided with several first limit teeth 221 arranged equally spaced on an end portion of the feeding shaft 220 and a first clamping piece 222 movely sleeved on the feeding shaft 220 and clamped with the first limiting teeth 221. When the width of the double layer plastic film 201 is changed, the user can adjust the position of the first clamping piece 222 on the feeding shaft 220 so that the first clamping piece 222 is clamped with the corresponding first limiting tooth 221 and attached to a side of the double layer plastic film 201, thereby changing the effective length of the feeding shaft 220. Thus the double layer plastic film 201 can not sway around during the feeding process. It should be understood that the first clamping piece 222 and the first limiting teeth 221 is not the only implement to adjust the effective length of the feeding shaft 220. In some other embodiments, the feeding shaft 220 with a adjustable length can be used to fix the double layer plastic film 201. When the double layer plastic film 201 winds on the feeding shaft 220, the effective length of the feeding shaft 220 can be adjusted so that the feeding shaft 220 and the double layer plastic film 201 is adapted. Thus the vacuum sealing machine can be applied regardless of the size of the double layer plastic film 201. The present invention does not repeat the various structures of the feeding shaft 220. It should be understood that the structures of the feeding shaft 220 varies flexibly, and without leaving the basic conception of the present invention, any structures of the feeding shaft 220 shall be considered within the protection scope defined by the claim.

Referring to FIG. 3 , FIG. 4 , FIG. 5 , FIG. 6 and FIG. 7 , after the double layer plastic film 201 is mounted, it needs to delivery the double layer plastic film 201 to the cutting and sealing mechanism 300 and the vacuum sealing mechanism 400. A guiding portion 230 is arranged under the feeding shaft 220. The guiding portion 230 includes a first driving portion 231 fixed on the frame 100 and a guiding shaft 232 rotatably connected with the first driving portion 231. The guiding shaft 232 is provided under the feeding shaft 220. The first driving portion 231 drives the guiding shaft 232 to rotate and delivery the double layer plastic film 201 to the cutting and sealing mechanism 300.

Two guiding pieces 240 a and 240 b are respectively sleeved on both sides of the guiding shaft 232. The two guiding pieces 240 a and 240 b on the guiding shaft 232 arc respectively attached to both <sides of the double layer plastic film 201 so that the guiding pieces 240 a and 240 b can guide the double layer plastic film 201 into the cutting and sealing mechanism 300. The guiding piece 240 b is fixed on the guiding portion 230. The position of the guiding pieces 240 a is corresponding to that of the first clamping piece 222 on the feeding shaft 220, several second limit teeth 244 are provided below that guiding piece 240 close to the first clamping piece 222. The guiding piece 240 a is provided with a second clamping piece 245 clamped with the second limit teeth 244. That guiding piece 240 a can adjust its position on the second limit teeth 244 by moving along the second limit teeth 244, thereby the guiding piece 240 a can adjust position according to the width of the double layer plastic film 201, which promises the effect of delivering double layer plastic film 201. Specifically, the second limit teeth 244 is arranged on the frame under the guiding shaft 232. The guiding piece 240 a consists of a guiding wheel 241 and a guiding seat 243. The guiding wheel 241 is rotatably connected to the guiding seat 243 and both of the guiding wheel 241 and the guiding seat 243 are sleeved on the guiding shaft 232. The bottom of the guiding seat 243 extends to form the second clamping piece 245 which is clamped with the second limit teeth 244, thereby changing the position of that guiding piece 240 a on the guiding shaft 232.

The structure of guiding piece 240 b is the same as the guiding piece 240 a besides that the guiding piece 240 b has no the second clamping piece 245.

In some embodiments according to the present invention, referring to FIG. 7 , the guiding wheel 241 of the guiding piece 240 is provided with several guiding teeth 242. Both sides of the double layer plastic film 201 is provided with holes, the holes can be chimed with the guiding teeth 242 so that the guiding pieces 240 can be stably delivery the double layer plastic film 201.

It should be understood that the guiding teeth 242 and the holes are not the only structure for stably delivery the double layer plastic film 201, the present invention does not repeat the structures for stably delivery the double layer plastic film 201 in the guiding piece 240, and it should be understood that the structure for stably delivery the double layer plastic film 201 without leaving the basic conception in the present invention should be considered within the protection scope defined by the claim.

The structure of guiding piece 240 b is the same as the guiding piece 240 a besides that the guiding piece 240 b has no the second clamping piece 245.

Referring to FIG. 4 , FIG. 8 , FIG. 9 and FIG. 11 , The vacuum sealing mechanism 400 includes an upper cavity 430, a lower cavity 440 and an one-way baffle assembly 450 which includes several upper baffles 451 and several lower baffles 452. The upper baffles 451 are arranged in the upper cavity 430, the lower baffles 452 are arranged in the lower cavity 440, the upper baffles 451 and the lower baffles 452 are misaligned. Specifically, the bottom 431 of the upper cavity 430 is provided with rotational connections 453 a placed at regular interval, the several upper baffles 451 are rotatably connected with the rotational connections 453 a, the top 441 of the lower cavity 440 is also provided with rotational connections 453 b placed at regular interval, the rotational connections 453 b and the rotational connections 453 a are misaligned, the several lower baffles 452 are rotatably connected with rotational connections 453 a on the lower cavity 440. When the upper cavity 430 and the lower cavity 440 fits, the several upper baffles 451 and the several lower baffles 452 are misaligned.

All of the upper baffles 451 and the lower baffles 452 are in triangle shape with straight edges and an oblique edge. The oblique edge is closed to the cutting and sealing mechanism 300, the straight edges are far away from the cutting and sealing mechanism 300 and close to a material port of the vacuum sealing machine. After the double layer plastic film 201 is sealed by the cutting and sealing mechanism 300, the feeding mechanism 200 deliveries the double layer plastic film 201 to enter the vacuum sealing mechanism 400 from the one-way baffle assembly 450. At this time, the oblique edge can be pushed to rotate by the double layer plastic film 201 so that the double layer plastic film 201 can be sent into the vacuum sealing mechanism 400. When the user performs a vacuum sealing operation with a package with a sealed end and an opened end, the open end of the package is put into the vacuum sealing mechanism 400 and is blocked by the straight edges of the one-way baffle assembly 450 so as to promise that the open end of the package can be in the sealing chamber 401 of the vacuum sealing mechanism 400, thereby ensuring the vacuum effect.

It should be understood that it is not the only implementation to limit a place of the package in the vacuum sealing mechanism 400 by the one-way baffle assembly 450. In some other embodiments, it can adopt a limiting piece, which should be defined in the lower cavity 440 of the vacuum sealing mechanism 400, extending upward perpendicular to the lower cavity 440. When the package enters the vacuum sealing mechanism 400, it is limited at a place to promise that the package is at the working interval of the vacuum sealing mechanism 400. The present invention does not repeat the various structures of the one-way baffle assembly 450, and it should be understood that the structures of the one-way baffle assembly 450 varies without leaving the basic conception in the present invention should be considered within the protection scope defined by the claim.

Referring to FIG. 2 , FIG. 3 , FIG. 12 and FIG. 13 , the driving mechanism 500 is arranged above the vacuum sealing mechanism 400, includes a third driving portion 510 and a vacuum driving portion 520. In the embodiment, the third driving portion 510 comprises four cylinders 511 connecting with the upper cavity 430 and a pump 512 driving the cylinders 511. The pistons of the cylinders 511 are connected with a top of the upper cavity 430. The pump 512 is communicated with the four cylinders 511 by a plumbing shunt 513. For that the pump 512 can control the cylinders 511 to bidirectionally move, the third driving portion 510 also includes a three-port valve 514, an air inlet and an outlet nozzle of the pump 512 are connected to the three-port valve 514, respectively, the three-port valve 514 is used to change the gas flow direction of the pump 512 so as to drive the cylinders 511 to move in a forward stroke or a reverse stroke. The third driving portion 510 drives the upper cavity 430 up and down to fit with the lower cavity 440 or separate from it.

The vacuum driving portion 520 is a vacuum pump communicated with an inlet 424 of the vacuum sealing mechanism 400 by a pipe so that the vacuum driving portion 520 can extract vacuum in the vacuum sealing mechanism 400. The vacuum driving portion 520 is also communicated with a vent valve 521. The vent valve 521 is communicated with a sealing chamber 401 and can inject air into the sealing chamber 401 in the vacuum sealing mechanism 400 in, vacuum state to balance the air pressure inside and outside the sealing chamber 401 in the vacuum sealing mechanism 400. Thus, the upper cavity 430 can easily separated from the lower cavity 440 under the pull of the cylinder 511. In using, the vacuum sealing mechanism 400 is in vacuum state, the vent valve 521 is closed so that the upper cavity 430 and the lower cavity 440 are pressed to achieve the effect, of vacuum; when the upper cavity 430 and the lower cavity 440 need to be separated, the vent valve 521 opens, the air enters the sealing chamber 401 of the vacuum sealing mechanism 400 to balance the internal and external air pressure, and the cylinder 511 can easily separate the upper cavity 430 and the lower cavity 440.

It should be understood that it is not the only implementation to drive the upper cavity 430 by the cylinders 511 and the pump 512. In some other embodiments, it can use a motor to directly drive the upper cavity 430 up and down. The present invention does not repeat the structures of the third driving portion 510 It should be understood that the structures of the third driving portion 510 varies flexibly without leaving the basic conception in the present invention should be considered within the protection scope defined by the claim.

Referring to FIG. 1 , FIG. 9 , FIG. 10 , FIG. 11 , and FIG. 12 , the vacuum sealing mechanism 400 has a reservoir box 410 and an overflow tank 420, the liquid in the vacuum sealing mechanism 400 not flowing into the reservoir box 410 is accumulated in the overflow tank 420. The overflow tank 420 is a detachable design, the vacuum sealing machine has a removable flip cover 423 on its side wall near the reservoir box 410. When user needs to clean the vacuum sealing mechanism 400, the overflow tank 420 is be detached and taken out from the flip cover 423, which avoids sanitary deterioration in the vacuum sealing mechanism 400 caused by long use. The detachable design of the overflow tank 420 makes that it is more simple and convenient for cleaning the vacuum sealing mechanism 400.

Referring to FIG. 8 , FIG. 14 and FIG. 15 , the vacuum sealing mechanism 400 is a long-body structure. The lower cavity 440 is fixed on the frame 100. The lower cavity 440 is provided with four guiding columns 442 at its periphery. The upper cavity 430 is coupled with the guiding columns 442 so that the upper cavity 430 does not shake in the horizontal direction, resulting in a consistent sealing effect. When the upper cavity 430 moves downward along the guiding columns 442 and fits to the lower cavity 440, the sealed chamber 401 is formed between them. A first sealing assembly 443 is provided on a side of the lower cavity 440 away from the feeding mechanism 200. In the embodiment, the first sealing assembly 443 is a single heating filament or a multiheating filament. After the vacuum sealing mechanism 400 is vacuum treated, the first sealing assembly 443 heats the opening end of the package so that the package is sealed.

Referring to FIG. 9 , FIG. 10 and FIG. 11 , the overflow tank 420 is arranged on the lower cavity 440, the overflow tank 420 is provided with a groove 421, a groove 421 is fitted with a rubber seal ring 422 matching the shape of the groove 421. When the upper cavity 430 is fits with the lower cavity 440 the rubber seal ring 422 can seal the gap therebetween to form a stable sealing chamber 401, which will improve the effect of extracting vacuum. The overflow tank 420 is also provided with the inlet 424. During vacuumizing, the driving mechanism 500 vacuumizes the sealing cavity from the inlet 424.

In the embodiment, the inlet 424 is arranged in middle of the overflow tank 420. What needs to explain is that, the inlet 424 is not limited in middle of the overflow tank 420. In some embodiments, the inlet 424 can be arranged at a side wall of the overflow tank 420 or the bottom edge of the overflow tank 420. The present invention does not repeat the position of the inlet 424. It should be understood that the position of the inlet 424 varies flexibly should be considered within the protection scope defined by the claim.

In some embodiments, referring to FIG. 1 , FIG. 12 and FIG. 17 , specifically, the reservoir box 410 is coupled at the side of the vacuum sealing machine. The reservoir box 410 is a detachable design, when the liquid level in the reservoir box 410 reaches a certain value, the user only needs to detach the reservoir box 410 to pour out the liquid. The vacuum driving portion 520 is communicated with the reservoir box 410, the reservoir box 410 is communicated with the inlet 424. When the vacuum sealing mechanism 400 exists liquid, the liquid gathers into the reservoir box 410 through the inlet 424 and doesn't enter the vacuum driving portion 520, thereby avoiding the vacuum driving portion 520 from fault due to liquid inhalation.

The reservoir box 410 is made of transparent material. The user can directly observe the liquid level in the reservoir box 410. When the liquid level reaches a certain value, the user only needs to detach the reservoir box 410 from the left side of the vacuum sealing machine and pour out the liquid. The operation is convenient. It should be understood that the reservoir box 410 made of transparent material is not the only implementation. In some other embodiments, it can use a reservoir box 410 with level sensor to inspect the liquid level. The present invention does not repeat the structures of the reservoir box 410. It should be understood that the structures of the reservoir box 410 varies flexibly without leaving the basic conception in the present invention should be considered within the protection scope defined by the claim.

Referring to FIG. 4 , FIG. 14 , FIG. 15 and FIG. 16 , the cutting and sealing mechanism 300 is arranged between the feeding mechanism 200 and the vacuum sealing mechanism 400. The double layer plastic film 201 is sent into the cutting and sealing mechanism 300 by the feeding mechanism 200. The cutting, and sealing mechanism 300 includes a second sealing assembly 310 and a clipping assembly 320. First, the second sealing assembly 310 lies a side of the lower cavity close to the feeding mechanism 200. The second sealing assembly 310 is a single or double hot filaments to seal the double layer plastic film 201; then, the sealed double layer plastic film 201 is sent by the feeding mechanism 200 to the clipping assembly 320, the clipping assembly 320 cut it according to the required length by the user to form a package with a sealed end and an open end.

Referring to FIG. 16 , the clipping assembly 320 includes a second driving portion 330 and a cutter 340. The clipping assembly 320 is arranged between the second sealing assembly 310 and the vacuum sealing mechanism 400. The second driving portion 330 includes a gear motor 331, a belt 332, and a guiding pillar 333. The guiding pillar 333 are fixed at both sides of the vacuum sealing machine. The gear motor is installed at a side of the guiding pillar 333 and is connected with the belt 332. The belt 332 is located in front of the guiding pillar 333 and can drive the cutter 340 to reciprocally move to cut the double layer plastic film. The cutter 340 is sleeved to the guiding pillar 333 and moves along the guiding pillar 333. The cutter 340 includes a grip portion 341 and a blade 343 that is sleeved with the guiding pillar 333 and extends a clip 342 to hold the belt 332. When the gear motor 331 drive the belt 332, the belt 332 bring the cutter 340 to reciprocally move along the guiding pillar 333. The blade 343 is symmetric blades which can be cut the package or the double layer plastic file during reciprocal movement.

It should be understood that the gear motor 331 drive the belt 332 and bring the cutter 340 is not the only implementation. In some other embodiments, it can use a wire motor directly drives the cutter 340 in reciprocating motion to cut the package or the double layer plastic file. The present invention does not repeat the structures of the second driving portion 330. It should be understood that the structures of the second driving portion 330 varies flexibly without leaving, the basic conception in the present invention should be considered within the protection scope defined by the claim.

In some embodiments, referring to FIG. 1 and FIG. 17 , specifically, the vacuum sealing machine also includes a power supply assembly 120 which is arranged at the back surface of the vacuum sealing machine and supplies the vacuum sealing machine via an external power supply. The bottom of the vacuum sealing machine is provided with a controlling assembly 130. The user can control the vacuum sealing machine to perform the corresponding operation by the controlling assembly 130. The controlling assembly 130 consists of a display screen and a circuit board. In order to allow the vacuum capacity of the vacuum sealing machine to be increased when the vacuum capacity is insufficient, the vacuum sealing machine is also provided with a nozzle 140, the nozzle 140 is coupled with the pipe between the reservoir box 410 and the vacuum driving portion 520 by a valve. When the nozzle 140 is inserted into the valve, the valve blocks the communication between the reservoir box 410 and the vacuum driving portion 520, the nozzle 140 is communicated with the reservoir box 410 so that the vacuum, machine can extracted vacuum by the nozzle 140. 

1. A vacuum sealing machine for automatically delivering and cutting package, wherein comprising a frame, a vacuum sealing mechanism arranged on said frame, a driving mechanism arranged above said vacuum sealing mechanism, a feeding mechanism arranged at a side of said vacuum sealing mechanism, and a cutting and sealing mechanism arranged between said vacuum sealing mechanism, and said feeding mechanism; said feeding mechanism pivots on said frame and a double layer plastic film sealed at its both sides winds on said feeding mechanism; said feeding mechanism includes a feeding shaft, said double layer plastic film winds said feeding shaft; an end portion of said feeding shaft is provided with several equally spaced first limit teeth, a first clamping piece is movely sleeved on said feeding shaft, a position of said first clamping piece can be adjusted to clamp with said first limiting teeth and attach to the double layer plastic film.
 2. The vacuum sealing machine for automatically delivering and cutting package according to claim 1, wherein a guiding portion is arranged under said feeding shaft, said guiding portion includes a first driving portion fixed on said frame and a guiding shaft connected with said first driving portion; said first driving portion drives said guiding shaft to rotate and delivery said double layer plastic film to said cutting and sealing mechanism; two guiding pieces are respectively sleeved on both sides of said guiding shaft and respectively attached to both sides of said double layer plastic film; said frame under said guiding shaft is provided with several second limit teeth, one of said two guiding pieces is provided with a second clamping piece clamped with said second limit teeth and can be moved along second limit teeth.
 3. The vacuum sealing machine for automatically delivering and cutting package according to claim 2, wherein said guiding piece consists of a guiding wheel and a guiding seat; said guiding wheel is rotatably connected to said guiding seat, said guiding wheel and said guiding seat are sleeved on said guiding shaft; a bottom of the guiding seat extends to form said second clamping piece; said guiding wheel of the guiding piece is provided with several guiding teeth, both sides of the double layer plastic film is provided with holes, said holes can be chimed with said guiding teeth so that said guiding piece can be stably delivery said double layer plastic film.
 4. The vacuum sealing machine for automatically delivering and cutting package according to claim 1, wherein said vacuum sealing mechanism includes an upper cavity and a lower cavity; said lower cavity is fixed on said frame, said upper cavity is slid connected with said frame and arranged above said lower cavity; said driving mechanism drives said upper cavity to move up and down to fit with said lower cavity to from a sealing chamber or separate from said lower cavity.
 5. The vacuum sealing machine for automatically delivering and cutting package according to claim 4, wherein said vacuum sealing mechanism is provided with an one-way baffle assembly consisting of upper baffles and lower baffles, said upper baffles are pivoted in said upper cavity, said lower baffles are pivoted in said lower cavity, said upper baffles and said lower baffles are misaligned.
 6. The vacuum sealing machine for automatically delivering and cutting package according to claim 5, wherein said upper baffles and said lower baffles, are in triangle shape with straight edges and an oblique edge; said oblique edge is closed to said cutting and sealing mechanism, said straight edges are far away from said cutting and sealing mechanism
 7. The vacuum sealing machine for automatically delivering and cutting package according to claim 4, wherein said driving mechanism includes a third driving portion and a vacuum driving portion; said vacuum driving portion is a vacuum pump communicated with an inlet of the vacuum sealing mechanism and a vent valve; said vent valve is communicated with said sealing chamber and can inject air into said sealing chamber.
 8. The vacuum sealing machine for automatically delivering and cutting package according to claim 4, wherein an overflow tank is arranged in said lower cavity, said inlet is arranged in said overflow tank, said lower cavity is provided with a through hole at a position corresponding to said inlet; a reservoir box is arranged at a side of said vacuum sealing machine; said reservoir box is communicated with said inlet; said vacuum driving portion is communicated with said reservoir box.
 9. The vacuum sealing machine for automatically delivering and cutting package according to claim 4, wherein said reservoir box is made from transparent material, said reservoir box is detachably connected with said frame, said overflow tank is detachably connected with said lower cavity.
 10. The vacuum sealing machine for automatically delivering and cutting package according to claim 4, wherein a first sealing assembly is provided on a side of the lower cavity away from the feeding mechanism; said first sealing assembly is a single heating filament or a multiheating filament.
 11. The vacuum sealing machine for automatically delivering and cutting package according to claim 1, wherein said cutting and sealing mechanism includes a second sealing assembly and a clipping assembly, said second sealing assembly lies a side of said lower cavity close to said feeding mechanism; said clipping assembly is arranged between said second sealing, assembly and said vacuum sealing mechanism; said clipping assembly includes a second driving portion and a cutter, said second driving, portion, drives said cutter to reciprocally move to cut said double layer plastic film.
 12. The vacuum sealing machine for automatically delivering and cutting package according to claim 10, wherein said second driving portion includes a gear motor, a belt, and a guiding pillar; said guiding pillar are fixed at both sides of frame, said gear motor is installed at a side of said guiding pillar and is connected with said belt, said belt is located in front of the guiding pillar and can drive said cutter to reciprocally move to cut the double layer plastic film.
 13. The vacuum sealing machine for automatically delivering and cutting package according to claim 11, wherein said cutter is sleeved to said guiding pillar and moves along said guiding pillar; said cutter includes a grip portion and a blade that is sleeved with said guiding pillar and extends a clip to hold the belt.
 14. The vacuum sealing machine for automatically delivering and cutting package according to claim 1, wherein said vacuum sealing machine also includes a power supply assembly, a controlling assembly and a nozzle; said power supply assembly is arranged at a back of said vacuum sealing machine; said controlling assembly is arranged above said vacuum sealing machine, said nozzle is communicated with said vacuum sealing machine. 